The correct option is A Guru Angad
Guru Nanak (1469-1539), the founder of the Sikhism, chose Guru Angad as next Guru of Sikhism in place of his sons. Guru Angad started the new script Gurmukhi. He is the second of the ten Gurus of the Sikhism and led the Sikhs after the death of Guru Nanak.